/*
 * @(#)TextAreaDocument.java	1.8 03/12/19
 *
 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

/*
*Released on 28th June 2008.
*Any violations can be reported at paritosh@wikiocean.net
*What is treated as violations can be found at www.wikiocean.net/ppl1-voilations*
******************************************************************************
* The contents of this file are subject to POOL Public License 1.0 and later.
* POOL Public License is based on Affero GPL v3 and additional conditions.
* ("License"); You may not use this file except in compliance with the License
* You may obtain a copy of the Affero GPL v3 License at http://www.gnu.org/licenses/agpl.html
* You may obtain a copy of the POOL Public License 1.0 or later at www.wikiocean.net/license/ppl.html
* Software distributed under POOL Public License 1.0 is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
* The Initial Developer of the Original Code is Paritosh Pungaliya (C) 2008. All Rights Reserved.
******************************************************************************
* Objective of the additional terms (license)
* 1) Is to extend the software freedom to freedom to work.
* 2) To ensure that knowledge is free from monopoly of agencies.
* 3) To avoid a situation where big corporate or investor can buy out free software groups and companies and then start milking the communities built around it.
* (this trend can be seen how the freedom is curtailed in companies that get Venture Capital funding.)
******************************************************************************
*/

package  guiparser;

import guiparser.parser.*;
import javax.swing.text.*;
/**
 * TextAreaDocument extends the capabilities of the PlainDocument 
 * to store the data that is initially set in the Document.
 * This is stored in order to enable an accurate reset of the 
 * state when a reset is requested.
 *
 * @author Sunita Mani
 * @version 1.8 12/19/03
 */
  
class TextAreaDocument extends PlainDocument {

    String initialText;
  

    /**
     * Resets the model by removing all the data,
     * and restoring it to its initial state.
     */
    void reset() {
	try {
	    remove(0, getLength());
	    if (initialText != null) {
		insertString(0, initialText, null);
	    }
	} catch (BadLocationException e) {
	}
    }

    /**
     * Stores the data that the model is initially
     * loaded with.
     */
    void storeInitialText() {
	try {
	    initialText = getText(0, getLength());
	} catch (BadLocationException e) {
	}
    }
}




